diff options
Diffstat (limited to 'deps/v8/test/mjsunit/compiler/materialize-mutable-heap-number.js')
-rw-r--r-- | deps/v8/test/mjsunit/compiler/materialize-mutable-heap-number.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/compiler/materialize-mutable-heap-number.js b/deps/v8/test/mjsunit/compiler/materialize-mutable-heap-number.js new file mode 100644 index 0000000000..b6b99afcf4 --- /dev/null +++ b/deps/v8/test/mjsunit/compiler/materialize-mutable-heap-number.js @@ -0,0 +1,22 @@ +// Copyright 2017 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --allow-natives-syntax + +function C() {} +%CompleteInobjectSlackTracking(new C()); + +function f() { + // Create a non-escaping object. + var o = new C(); + // Add an out-of-object double property. + o.x = 0.5; + %DeoptimizeNow(); + return o.x + 0.25; +} + +f(); +f(); +%OptimizeFunctionOnNextCall(f); +assertEquals(0.75, f()); |